TypicalST318405 drive +5 V current profile | Seagate ST39205LW/LC

Cheetah 36XL Product Manual, Rev. E

27

+12 Volt Current during spindle start – Typical Amperes

3.0
2.5
				AC Envelope			Nominal (average) DC curve
							Nominal (average) DC curve
2.0
1.5
A
1.0
0.5
0.0
T0	T1		T2	T3	T4		T5
T0				T3			T5
	0.0	2	4	6	8	10	12	14	16
					Seconds

Figure 7. TypicalST318405 drive +5 V current profile

+5 Volt Current during spindle start – Typical Amperes

3.0
2.5
				AC Envelope			Nominal (average) DC curve
							Nominal (average) DC curve
2.0
1.5
A
1.0
0.5
0.0
T0	T1		T2	T3	T4	T5
T0				T3		T5
	0.0	2		4	6	8	10	12	14	16
						Seconds

Figure 8. TypicalST39205 drive +5 V current profile

Image 37

Contents

Cheetah 36XL Family ST336705LW/LC ST318405LW/LC ST39205LW/LC Page Cheetah 36XL Family ST336705LW/LC ST318405LW/LC ST39205LW/LC Page Revision Date Writer/Engineer Sheets Affected Revision status summary sheetPage Contents Installation Defect and error managementSeagate Technology support services Interface requirements Cheetah 36XL Product Manual, Rev. E Vii List of FiguresPage Cheetah 36XL family drive ST336705LC shown Scope Cheetah 36XL Product Manual, Rev. E Applicable standards and reference documentation Korean MIC Australian C-TickTaiwanese Bsmi General description Cheetah 36XL family drive Media characteristics Cheetah 36XL Product Manual, Rev. E Standard featuresPerformance Reliability Options factory installed Factory installed accessoriesFormatted capacities Programmable drive capacity Performance characteristics Start/stop time Ultra2 Scsi Ultra160 ScsiPrefetch/multi-segmented cache control Caching write data Cache operation Prefetch operation Cheetah 36XL Product Manual, Rev. E Cheetah 36XL Product Manual, Rev. E Reliability specifications Preventive maintenance Reliability and serviceService life Service philosophy Controlling S.M.A.R.T 7 S.M.A.R.T Reporting control Performance impactDetermining rate Predictive failures DST Failure Definition State of the drive prior to testingImplementation Invoking DST Short test Function Code 001b Product warrantyExtended test Function Code 010b Log page entries Product repair and return information Cheetah 36XL Product Manual, Rev. E AC power requirements Physical/electrical specificationsDC power requirements Conducted noise immunity Power sequencing3 12 V Current profile Typical ST336705 drive +12 V current profile Typical ST39205 drive +12 V current profile TypicalST318405 drive +5 V current profile Power dissipation ST336705 Os per Second Cheetah 36XL Product Manual, Rev. E ST318405 ST39205 TemperatureEnvironmental limits Effective altitude sea level Relative humidityShock and vibration Shock Package size Packaged/product weight Drop height Recommended mounting Vibration Air cleanlinessAcoustics LW mounting configuration dimensions LC mounting configuration dimensions Drive error recovery procedures Defect and error managementDrive internal defects Scsi systems errors Configure drive options InstallationFormatting Drive ID/option select header Do not install jumpers retain cover J5 jumper header on LW model only J2 option select header Does not apply to LC models Cheetah 36XL Product Manual, Rev. E Function description Cooling Drive orientationDrive mounting Grounding Scsi interface messages supported Interface requirements Scsi interface commands supported Cheetah 36XL Product Manual, Rev. E Commands supported by Cheetah 36XL family drive Inquiry Vital Product data Mode Sense data Cheetah 36XL Product Manual, Rev. E Mode Sense Data Cheetah 36XL Product Manual, Rev. E Mode sense data, ST318405 values Bytes Cheetah 36XL Product Manual, Rev. E Mode sense data, ST39205 values Bytes Cheetah 36XL Product Manual, Rev. E Condition/features supported 2 REQ/ACK offset DC cable and connectorPhysical interface Pin Power Scsi interface cable requirements Scsi interface physical description Mating connectors for LW model drives Mating connectorsMating connectors for LC model drives ST336705LC, ST318405LC and ST39205LC Scsi ID Right-angle to Pcba connectors Nonshielded 68 pin Scsi device connector used on LW drives Nonshielded 80 pin Scsi SCA-2 connector, used on LC drives GND +DBP1 Charge 68Cheetah 36XL Product Manual, Rev. E Electrical description Multimode signalsMultimode-SE and LVD alternatives Input characteristics Output characteristics Terminator requirements Terminator power LW drives General cable characteristicsLow voltage differential I/O circuits LC drives Disc drive Scsi timing Drive activity remote LED signal status Cheetah 36XL Product Manual, Rev. E Automated Services Seagate Technology support services Online ServicesPresales Support Technical Support USA/Canada/Latin America Support Services Customer Service CSOEuropean Support Services Asia/Pacific Support Services Africa/Middle East Support ServicesCall Center Toll-free Direct dial Cheetah 36XL Product Manual, Rev. E Index Symbols Cheetah 36XL Product Manual, Rev. E LED PCB System chassis Page